Mt. Graham Regional Medical Center
Disclosed Sep 29, 20232 years ago35,688 affectedConfirmed
Mount Graham Regional Medical Center, the covered entity (CE), reported that it experienced a ransomware attack that compromised the protected health information (PHI) of 35,688 individuals. The PHI involved included names, addresses, Social Security and drivers’ license numbers, birthdates, financial information, and treatment information. In its mitigation efforts, the CE implemented additional administrative, technical, and security safeguards to better protect sensitive data.
What is known
| People affected | 35,688 (as reported to HHS) |
|---|---|
| Disclosed | Sep 29, 2023 |
| Attack | Hacking |
| Data exposed | Names, Health |
| Sector | Healthcare · US |
| Status | Confirmed |
Sources
| Source | |
|---|---|
| HHS OCR breach report (archive, resolved): Mt. Graham Regional Medical Center (Healthcare Provider, AZ)ocrportal.hhs.gov · Official notice | Official notice |
Notices filed
| Where | Filed | People |
|---|---|---|
| HHS archivetotal | Sep 29, 2023 | 35,688 |
History of this record
- 2026-09-25 · added · backfill source
First seen 2026-09-25 (HHS archive), confirmed by HHS OCR. Record counts are as reported. Not legal advice.